US Bridges

US-10 EB over Gtw RR

Fair

Bay County, Michigan · 0.3 MI E of Midland Col · Structure no. 000000000000656

Built
1961
64 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
224 ft
3 main spans
Daily traffic
35,800
2014 count
Owner
State
State Highway Agency

About this bridge

US-10 EB over Gtw RR is a steel stringer/multi-beam or girder carrying US-10 EB over Gtw RR in Bay County, Michigan. It was built in 1961, so it is 64 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 35,800 vehicles a day, roughly 5% of them trucks, projected to reach 39,550 by 2034. The structure is 224 ft (68.4 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-10 EB
CrossesGtw RR
Location0.3 MI E of Midland Col
RouteU.S. Route 10
Coordinates43.60856, -84.16485
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 14 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97.6 US tons
Inventory rating58.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length224 ft (68.4 m)
Longest span75 ft (22.8 m)
Deck width61 ft (18.6 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,800 (2014)
Projected traffic39,550 by 2034
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-10 EB over Gtw RR built?

It was built in 1961, making it 64 years old in 2025.

What condition is US-10 EB over Gtw RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does US-10 EB over Gtw RR carry?

About 35,800 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is US-10 EB over Gtw RR?

The structure is 224 ft (68.4 m) long with a longest span of 75 ft (22.8 m) and a deck 61 ft wide.

Who owns US-10 EB over Gtw RR?

It is owned by the State Highway Agency.